import java.util.Arrays;

public class Main {
    //实现split
    public static String[] split(String s){
        String[] str = s.split("!");
        return  str;
    };
    //实现replace方法
    //indexOf练习
    public static void main(String[] args) {
        String str1 = "aababc";
       String str2 = "acsde";
        System.out.println(str1.compareTo(str2));
    }
}